I have just check the link, but the information about deploying this with SQL Server is very short just this
For Microsoft SQL Server or Azure SQL Server, you should configure these with UTF-8 character sets and to use Windows authentication. When using Windows authentication, the user under which the webserver executes must be granted permissions to access the SQL Server instance. The install wizard for ODK Aggregate will produce a Readme.html file that contains additional information on how to complete the configuration of the database and webserver service.
But I need more detailed information about JDBC driver, do you know if theres another site where I can found more information or someone that I can contact so they can help me.